Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261243AbVEOVLE (ORCPT ); Sun, 15 May 2005 17:11:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261244AbVEOVLE (ORCPT ); Sun, 15 May 2005 17:11:04 -0400 Received: from mustang.oldcity.dca.net ([216.158.38.3]:46509 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S261243AbVEOVLB (ORCPT ); Sun, 15 May 2005 17:11:01 -0400 Subject: Re: Hyper-Threading Vulnerability From: Lee Revell To: Arjan van de Ven Cc: Alan Cox , Dave Jones , Matt Mackall , Andy Isaacson , Andi Kleen , "Richard F. Rebel" , Gabor MICSKO , Linux Kernel Mailing List , tytso@mit.edu In-Reply-To: <1116190107.6270.34.camel@laptopd505.fenrus.org> References: <1115963481.1723.3.camel@alderaan.trey.hu> <1116009483.4689.803.camel@rebel.corp.whenu.com> <20050513190549.GB47131@muc.de> <20050513212620.GA12522@hexapodia.org> <20050513215905.GY5914@waste.org> <1116024419.20646.41.camel@localhost.localdomain> <1116025212.6380.50.camel@mindpipe> <20050513232708.GC13846@redhat.com> <1116027488.6380.55.camel@mindpipe> <1116084186.20545.47.camel@localhost.localdomain> <1116088229.8880.7.camel@mindpipe> <1116089068.6007.13.camel@laptopd505.fenrus.org> <1116093396.9141.11.camel@mindpipe> <1116093694.6007.15.camel@laptopd505.fenrus.org> <1116098504.9141.31.camel@mindpipe> <1116100126.6007.17.camel@laptopd505.fenrus.org> <1116114052.9141.38.camel@mindpipe> <1116142233.6270.9.camel@laptopd505.fenrus.org> <1116189693.17990.1.camel@localhost.localdomain> <1116190107.6270.34.camel@laptopd505.fenrus.org> Content-Type: text/plain Date: Sun, 15 May 2005 17:10:59 -0400 Message-Id: <1116191459.10653.16.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.3.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1052 Lines: 24 On Sun, 2005-05-15 at 22:48 +0200, Arjan van de Ven wrote: > On Sun, 2005-05-15 at 21:41 +0100, Alan Cox wrote: > > On Sul, 2005-05-15 at 08:30, Arjan van de Ven wrote: > > > stop entirely.... (and that is also happening more and more and linux is > > > getting more agressive idle support (eg no timer tick and such patches) > > > which will trigger bios thresholds for this even more too. > > > > Cyrix did TSC stop on halt a long long time ago, back when it was worth > > the power difference. > > With linux going to ACPI C2 mode more... tsc is defined to halt in C2... JACK doesn't care about any of this now, the behavior when you suspend/resume with a running jackd is undefined. Eventually we should handle it, but there's no point until the ALSA drivers get proper suspend/resume support. Lee - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/